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Microsoft Patch Tuesday, December 2021 Edition

Krebs on Security

But this month’s Patch Tuesday is overshadowed by the “ Log4Shell ” 0-day exploit in a popular Java library that web server administrators are now racing to find and patch amid widespread exploitation of the flaw. Microsoft also patched CVE-2021-43883 , an elevation of privilege vulnerability in Windows Installer.

Libraries 314
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FritzFrog Botnet Exploits Log4Shell

Data Breach Today

Log4Shell burst into public awareness in late 2021 when security researchers identified a flaw in the ubiquitous Apache Log4J 2 Java library.

Libraries 269
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Experts monitor ongoing attacks using exploits for Log4j library flaws

Security Affairs

Researchers from DrWeb monitored attacks leveraging exploits for vulnerabilities in the Apache Log4j library. Researchers from DrWeb monitored attacks leveraging exploits for vulnerabilities (CVE-2021-44228, CVE-2021-45046, CVE2021-4104, and CVE-2021-42550) in the Apache Log4j library warning of the need to adopt protective measures.

Libraries 145
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CVE-2021-44228: Critical vulnerability in Apache Log4j library

Outpost24

CVE-2021-44228: Critical vulnerability in Apache Log4j library. Mon, 12/13/2021 - 05:57. Florian Barre. Full-Stack Security.

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Apache Log4j 2.17.1 fixes new remote code execution flaw (CVE-2021-44832)

Security Affairs

version to address recently discovered arbitrary code execution flaw tracked as CVE-2021-44832. version to address a recently discovered arbitrary code execution flaw, tracked as CVE-2021-44832, affecting Log4j 2.17.0. CVE-2021-44832 is the fifth vulnerability discovered in the popular library in the last weeks.

Libraries 144
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Mozilla fixes critical flaw in Network Security Services (NSS) cryptography library

Security Affairs

Mozilla fixed a critical memory corruption issue affecting its cross-platform Network Security Services (NSS) set of cryptography libraries. Mozilla has addressed a heap-based buffer overflow vulnerability (CVE-2021-43527) in its cross-platform Network Security Services (NSS) set of cryptography libraries. and NSS 3.73

Libraries 143
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Google OAuth client library flaw allowed to deploy of malicious payloads

Security Affairs

Google addressed a high-severity flaw in its OAuth client library for Java that could allow attackers with a compromised token to deploy malicious payloads. The Google OAuth Client Library for Java is designed to work with any OAuth service on the web, not just with Google APIs. or higher), and Google App Engine. Pierluigi Paganini.

Libraries 142